1089057 has 4 divisors (see below), whose sum is σ = 1452080. Its totient is φ = 726036.

The previous prime is 1089047. The next prime is 1089091. The reversal of 1089057 is 7509801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1089057 - 2⁶ = 1088993 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1089017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181507 + ... + 181512.

It is an arithmetic number, because the mean of its divisors is an integer number (363020).

2^1089057 is an apocalyptic number.

It is an amenable number.

1089057 is a deficient number, since it is larger than the sum of its proper divisors (363023).

1089057 is an equidigital number, since it uses as much as digits as its factorization.

1089057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363022.

The product of its (nonzero) digits is 2520, while the sum is 30.

The square root of 1089057 is about 1043.5789380780. The cubic root of 1089057 is about 102.8845597658.

The spelling of 1089057 in words is "one million, eighty-nine thousand, fifty-seven".